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Dragos Moldovan-Grünfeld
A full-stack data scientist passionate about extracting value from data, Dragos has over 4 years’ experience in applying advanced analytical techniques to commercial and regulatory challenges. An enthusiastic learner, Dragos is an accomplished trainer and enjoys mentoring and assisting others on their learning journey.
Experience
Data Scientist
Mango Solutions
London, UK
present - 2018
- Built data-cleaning and wrangling pipelines flowing into machine learning processes.
- Developed client R packages to handle tasks, such as: data ingestion, data cleaning, data wrangling, feature engineering and predictive modelling.
- Predicted propensity to churn for a client in the leisure industry using gradient boosted trees.
- Forecasted sales of several drug-country combinations for a pharmaceutical company using various time series and machine learning models.
- Developed and improved R training materials.
- Tested multiple R packages using the {testthat} testing framework as part of ValidR.
Data Scientist/ Statistician
Department for Business, Energy and Industrial Strategy
London, UK
2017 - 2016
- Improved the robustness of the UK business register data by using metadata to assess its quality and revamping some outdated imputation methodology.
- Linked education and revenue data for the first time in the UK to chart the transition of graduates into the workplace (the Longitudinal Education Outcome dataset).
- Automated the production of official statistical publications by moving from SPSS, Excel, and Word to SQL, R and RMarkdown.
- Built a geospatial machine learning model using a density-based spatial clustering algorithm to inform the UK industrial strategy.
- Created and delivered introductory-level training courses in R and QGIS.
Assistant Manager
Cycle Surgery
London, UK
2015 - 2014
- Ran one of the biggest cycling shops in London with 20+ staff. Increased year-on-year turnover by 20 percent.
Analyst
Romanian Financial Supervisory Authority
Bucharest, RO
2013 - 2007
- Represented the Commission and Romania in technical working groups at EU and national level.
- Gathered, interpreted, analysed data and developed solutions to policy challenges.
- Produced and delivered research insights into relevant areas (e.g carbon trading, investor protection, etc.).
Programme Manager
Center for Protected Areas and Sustainable Development - Bihor
Oradea, RO
2005 - 2004
- Coordinated the most complex programme of the NGO: the Apuseni Experience ecotourism programme. Designed, developed and implemented its first business plan.
Education
MSc Environmental Sciences and Policy
Central European University
Budapest, HU
2006 - 2005
- Outstanding Academic Achievement Award (highest GPA)
BA Sociology with Statistics
Babes-Bolyai University
Cluj-Napoca, RO
2003 - 1999